jdeps
analyzes Java class dependencies
TLDR
Analyze class dependencies
$ jdeps [class.jar]
Show package-level dependencies$ jdeps -s [class.jar]
Check for JDK internal API usage$ jdeps --jdk-internals [class.jar]
Generate module-info$ jdeps --generate-module-info [dir] [class.jar]
Analyze specific package$ jdeps -p [com.example] [class.jar]
Multi-release JAR analysis$ jdeps --multi-release [17] [class.jar]
SYNOPSIS
jdeps [options] path...
DESCRIPTION
jdeps analyzes Java class dependencies. It shows which packages and modules a JAR depends on.
The tool helps with Java module migration. It identifies use of internal JDK APIs that may break in future versions.
PARAMETERS
PATH
JAR file or class directory.-s, --summary
Summary level output.--jdk-internals
Check for internal API use.--generate-module-info DIR
Generate module-info.java.-p PACKAGE
Analyze specific package.--multi-release VERSION
Analyze multi-release JAR.--help
Display help information.
CAVEATS
Part of JDK. Requires class files not source. Output format may vary.
HISTORY
jdeps was added in JDK 8 to help developers understand dependencies and prepare for the Java module system in JDK 9.